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Logarithmic temperature profiles in the ultimate regime of thermal convection
Siegfried Grossmann, Detlef Lohse
We report on the theory of logarithmic temperature profiles in very strongly developed thermal convection in the geometry of a Rayleigh-Benard cell with aspect ratio one and discus…
Optimal Taylor-Couette flow: direct numerical simulations
Rodolfo Ostilla Mónico, Richard J. A. M. Stevens, Siegfried Grossmann +2
We numerically simulate turbulent Taylor-Couette flow for independently rotating inner and outer cylinders, focusing on the analogy with turbulent Rayleigh-Bénard flow. Reynolds nu…
Logarithmic temperature profiles in turbulent Rayleigh-Bénard convection
Guenter Ahlers, Eberhard Bodenschatz, Denis Funfschilling +5
We report results for the temperature profiles of turbulent Rayleigh-Bénard convection (RBC) in the interior of a cylindrical sample of aspect ratio ( and $…